The Reznor 121275 Blocked Vent Switch is a safety control device designed to protect gas-fired HVAC heating equipment from improper venting conditions. It monitors flue gas temperature and draft, automatically interrupting the burner circuit if a vent blockage or backdraft is detected. Commonly used in gas unit heaters and commercial heating systems, this switch helps prevent overheating and hazardous exhaust buildup. Its reliable design enhances operational safety, reduces equipment damage, supports code compliance, and ensures consistent, dependable heating performance.
For an efficient and reliable HVAC system, the Reznor Blocked Vent Switch is a great choice for optimal system performance.
#Reznor #ReznorParts #121275 #Switch #HVACParts #FurnaceParts #AirConditionerParts
Visit The Website:
https://www.partshnc.com/stack-flu-block-mr-eco-l275f
Reznor 121275 Blocked Vent Switch
Published on February 10, 2026
Published by jameson
Viewed by 1 people
Description of item
Location
Country
United States
Region
IL
City
Chicago
Address
700 Nicholas BLVD Suite 105 Elk Grove Village IL 60007
Seller information
Name
jameson
Phone
8667730XXX
Click to show phone number
Registered
-
Location
Chicago in IL, United States
Unregistered user Send to friend
Contact seller
You must log in or register a new account in order to contact the advertiser.
Security Tips
- Avoid scams by acting locally or paying with PayPal
- Never pay with Western Union, Moneygram or other anonymous payment services
- Don't buy or sell outside of your country. Don't accept cashier cheques from outside your country
- This site is never involved in any transaction, and does not handle payments, shipping, guarantee transactions, provide escrow services, or offer "buyer protection" or "seller certification"
For more information visit our Security Center.
Related ads
|
International Comfort Pro...46.00 $ 1x
0x
United States ·
IL ·
Chicago ·
February 10, 2026
|
|
|
Reznor 121275 Blocked Ven...34.00 $ 1x
0x
United States ·
IL ·
Chicago ·
February 10, 2026
|
|
|
Vulcan Hart 00-715080 Top...39.00 £ 1x
0x
United Kingdom ·
United Kingdom ·
Manchester ·
February 10, 2026
|
|
|
Vulcan Hart 00-404076 Val...41.00 £ 1x
0x
United Kingdom ·
United Kingdom ·
Manchester ·
February 10, 2026
|
Save this listing to your SmartPhone or Tablet!
Save this listing to your SmartPhone or Tablet!
Review & feedback on Reznor 121275 Blocked Vent Switch(0)
Be first to review or feedback